diff options
Diffstat (limited to 'hw/ppc/pnv.c')
| -rw-r--r-- | hw/ppc/pnv.c | 252 |
1 files changed, 209 insertions, 43 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 3d5dfef220..8be4d4cbf7 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -267,7 +267,7 @@ static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir, g_free(reg); } -static void pnv_dt_chip(PnvChip *chip, void *fdt) +static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt) { const char *typename = pnv_chip_core_typename(chip); size_t typesize = object_type_get_instance_size(typename); @@ -289,6 +289,27 @@ static void pnv_dt_chip(PnvChip *chip, void *fdt) } } +static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) +{ + const char *typename = pnv_chip_core_typename(chip); + size_t typesize = object_type_get_instance_size(typename); + int i; + + pnv_dt_xscom(chip, fdt, 0); + + for (i = 0; i < chip->nr_cores; i++) { + PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize); + + pnv_dt_core(chip, pnv_core, fdt); + } + + if (chip->ram_size) { + pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); + } + + pnv_dt_lpc(chip, fdt, 0); +} + static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) { uint32_t io_base = d->ioport_id; @@ -398,24 +419,12 @@ static int pnv_dt_isa_device(DeviceState *dev, void *opaque) return 0; } -static int pnv_chip_isa_offset(PnvChip *chip, void *fdt) -{ - char *name; - int offset; - - name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", - (uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE); - offset = fdt_path_offset(fdt, name); - g_free(name); - return offset; -} - /* The default LPC bus of a multichip system is on chip 0. It's * recognized by the firmware (skiboot) using a "primary" property. */ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) { - int isa_offset = pnv_chip_isa_offset(pnv->chips[0], fdt); + int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename); ForeachPopulateArgs args = { .fdt = fdt, .offset = isa_offset, @@ -429,6 +438,16 @@ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) &args); } +static void pnv_dt_power_mgt(void *fdt) +{ + int off; + + off = fdt_add_subnode(fdt, 0, "ibm,opal"); + off = fdt_add_subnode(fdt, off, "power-mgt"); + + _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000)); +} + static void *pnv_dt_create(MachineState *machine) { const char plat_compat[] = "qemu,powernv\0ibm,powernv"; @@ -474,7 +493,7 @@ static void *pnv_dt_create(MachineState *machine) /* Populate device tree for each chip */ for (i = 0; i < pnv->num_chips; i++) { - pnv_dt_chip(pnv->chips[i], fdt); + PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt); } /* Populate ISA devices on chip 0 */ @@ -484,6 +503,11 @@ static void *pnv_dt_create(MachineState *machine) pnv_dt_bmc_sensors(pnv->bmc, fdt); } + /* Create an extra node for power management on Power9 */ + if (pnv_is_power9(pnv)) { + pnv_dt_power_mgt(fdt); + } + return fdt; } @@ -540,7 +564,8 @@ static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) { - return NULL; + Pnv9Chip *chip9 = PNV9_CHIP(chip); + return pnv_lpc_isa_create(&chip9->lpc, false, errp); } static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) @@ -548,6 +573,21 @@ static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); } +static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon) +{ + Pnv8Chip *chip8 = PNV8_CHIP(chip); + + ics_pic_print_info(&chip8->psi.ics, mon); +} + +static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon) +{ + Pnv9Chip *chip9 = PNV9_CHIP(chip); + + pnv_xive_pic_print_info(&chip9->xive, mon); + pnv_psi_pic_print_info(&chip9->psi, mon); +} + static void pnv_init(MachineState *machine) { PnvMachineState *pnv = PNV_MACHINE(machine); @@ -684,7 +724,7 @@ static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu, return; } - pnv_cpu->icp = ICP(obj); + pnv_cpu->intc = obj; } /* @@ -705,7 +745,23 @@ static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id) static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, Error **errp) { - return; + Pnv9Chip *chip9 = PNV9_CHIP(chip); + Error *local_err = NULL; + Object *obj; + PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); + + /* + * The core creates its interrupt presenter but the XIVE interrupt + * controller object is initialized afterwards. Hopefully, it's + * only used at runtime. + */ + obj = xive_tctx_create(OBJECT(cpu), XIVE_ROUTER(&chip9->xive), errp); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + pnv_cpu->intc = obj; } /* Allowed core identifiers on a POWER8 Processor Chip : @@ -739,17 +795,17 @@ static void pnv_chip_power8_instance_init(Object *obj) Pnv8Chip *chip8 = PNV8_CHIP(obj); object_initialize_child(obj, "psi", &chip8->psi, sizeof(chip8->psi), - TYPE_PNV_PSI, &error_abort, NULL); + TYPE_PNV8_PSI, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip8->psi), "xics", OBJECT(qdev_get_machine()), &error_abort); object_initialize_child(obj, "lpc", &chip8->lpc, sizeof(chip8->lpc), - TYPE_PNV_LPC, &error_abort, NULL); + TYPE_PNV8_LPC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip8->lpc), "psi", OBJECT(&chip8->psi), &error_abort); object_initialize_child(obj, "occ", &chip8->occ, sizeof(chip8->occ), - TYPE_PNV_OCC, &error_abort, NULL); + TYPE_PNV8_OCC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip8->occ), "psi", OBJECT(&chip8->psi), &error_abort); } @@ -791,6 +847,7 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); PnvChip *chip = PNV_CHIP(dev); Pnv8Chip *chip8 = PNV8_CHIP(dev); + Pnv8Psi *psi8 = &chip8->psi; Error *local_err = NULL; pcc->parent_realize(dev, &local_err); @@ -807,13 +864,18 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) error_propagate(errp, local_err); return; } - pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, &chip8->psi.xscom_regs); + pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, + &PNV_PSI(psi8)->xscom_regs); /* Create LPC controller */ object_property_set_bool(OBJECT(&chip8->lpc), true, "realized", &error_fatal); pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); + chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", + (uint64_t) PNV_XSCOM_BASE(chip), + PNV_XSCOM_LPC_BASE); + /* Interrupt Management Area. This is the memory region holding * all the Interrupt Control Presenter (ICP) registers */ pnv_chip_icp_realize(chip8, &local_err); @@ -842,6 +904,8 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) k->core_pir = pnv_chip_core_pir_p8; k->intc_create = pnv_chip_power8_intc_create; k->isa_create = pnv_chip_power8_isa_create; + k->dt_populate = pnv_chip_power8_dt_populate; + k->pic_print_info = pnv_chip_power8_pic_print_info; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8E"; @@ -860,6 +924,8 @@ static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) k->core_pir = pnv_chip_core_pir_p8; k->intc_create = pnv_chip_power8_intc_create; k->isa_create = pnv_chip_power8_isa_create; + k->dt_populate = pnv_chip_power8_dt_populate; + k->pic_print_info = pnv_chip_power8_pic_print_info; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8"; @@ -878,6 +944,8 @@ static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) k->core_pir = pnv_chip_core_pir_p8; k->intc_create = pnv_chip_power8_intc_create; k->isa_create = pnv_chip_power8nvl_isa_create; + k->dt_populate = pnv_chip_power8_dt_populate; + k->pic_print_info = pnv_chip_power8_pic_print_info; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8NVL"; @@ -887,11 +955,65 @@ static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) static void pnv_chip_power9_instance_init(Object *obj) { + Pnv9Chip *chip9 = PNV9_CHIP(obj); + + object_initialize_child(obj, "xive", &chip9->xive, sizeof(chip9->xive), + TYPE_PNV_XIVE, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->xive), "chip", obj, + &error_abort); + + object_initialize_child(obj, "psi", &chip9->psi, sizeof(chip9->psi), + TYPE_PNV9_PSI, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->psi), "chip", obj, + &error_abort); + + object_initialize_child(obj, "lpc", &chip9->lpc, sizeof(chip9->lpc), + TYPE_PNV9_LPC, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->lpc), "psi", + OBJECT(&chip9->psi), &error_abort); + + object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ), + TYPE_PNV9_OCC, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->occ), "psi", + OBJECT(&chip9->psi), &error_abort); +} + +static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) +{ + PnvChip *chip = PNV_CHIP(chip9); + const char *typename = pnv_chip_core_typename(chip); + size_t typesize = object_type_get_instance_size(typename); + int i; + + chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); + chip9->quads = g_new0(PnvQuad, chip9->nr_quads); + + for (i = 0; i < chip9->nr_quads; i++) { + char eq_name[32]; + PnvQuad *eq = &chip9->quads[i]; + PnvCore *pnv_core = PNV_CORE(chip->cores + (i * 4) * typesize); + int core_id = CPU_CORE(pnv_core)->core_id; + + object_initialize(eq, sizeof(*eq), TYPE_PNV_QUAD); + snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); + + object_property_add_child(OBJECT(chip), eq_name, OBJECT(eq), + &error_fatal); + object_property_set_int(OBJECT(eq), core_id, "id", &error_fatal); + object_property_set_bool(OBJECT(eq), true, "realized", &error_fatal); + object_unref(OBJECT(eq)); + + pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->id), + &eq->xscom_regs); + } } static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) { PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); + Pnv9Chip *chip9 = PNV9_CHIP(dev); + PnvChip *chip = PNV_CHIP(dev); + Pnv9Psi *psi9 = &chip9->psi; Error *local_err = NULL; pcc->parent_realize(dev, &local_err); @@ -899,6 +1021,61 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) error_propagate(errp, local_err); return; } + + pnv_chip_quad_realize(chip9, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* XIVE interrupt controller (POWER9) */ + object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_IC_BASE(chip), + "ic-bar", &error_fatal); + object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_VC_BASE(chip), + "vc-bar", &error_fatal); + object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_PC_BASE(chip), + "pc-bar", &error_fatal); + object_property_set_int(OBJECT(&chip9->xive), PNV9_XIVE_TM_BASE(chip), + "tm-bar", &error_fatal); + object_property_set_bool(OBJECT(&chip9->xive), true, "realized", + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE, + &chip9->xive.xscom_regs); + + /* Processor Service Interface (PSI) Host Bridge */ + object_property_set_int(OBJECT(&chip9->psi), PNV9_PSIHB_BASE(chip), + "bar", &error_fatal); + object_property_set_bool(OBJECT(&chip9->psi), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE, + &PNV_PSI(psi9)->xscom_regs); + + /* LPC */ + object_property_set_bool(OBJECT(&chip9->lpc), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip), + &chip9->lpc.xscom_regs); + + chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", + (uint64_t) PNV9_LPCM_BASE(chip)); + + /* Create the simplified OCC model */ + object_property_set_bool(OBJECT(&chip9->occ), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); } static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) @@ -912,6 +1089,8 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) k->core_pir = pnv_chip_core_pir_p9; k->intc_create = pnv_chip_power9_intc_create; k->isa_create = pnv_chip_power9_isa_create; + k->dt_populate = pnv_chip_power9_dt_populate; + k->pic_print_info = pnv_chip_power9_pic_print_info; k->xscom_base = 0x00603fc00000000ull; dc->desc = "PowerNV Chip POWER9"; @@ -1007,7 +1186,7 @@ static void pnv_chip_core_realize(PnvChip *chip, Error **errp) if (!pnv_chip_is_power9(chip)) { xscom_core_base = PNV_XSCOM_EX_BASE(core_hwid); } else { - xscom_core_base = PNV_XSCOM_P9_EC_BASE(core_hwid); + xscom_core_base = PNV9_XSCOM_EC_BASE(core_hwid); } pnv_xscom_add_subregion(chip, xscom_core_base, @@ -1082,27 +1261,11 @@ static void pnv_ics_resend(XICSFabric *xi) } } -static PowerPCCPU *ppc_get_vcpu_by_pir(int pir) -{ - CPUState *cs; - - CPU_FOREACH(cs) { - PowerPCCPU *cpu = POWERPC_CPU(cs); - CPUPPCState *env = &cpu->env; - - if (env->spr_cb[SPR_PIR].default_value == pir) { - return cpu; - } - } - - return NULL; -} - static ICPState *pnv_icp_get(XICSFabric *xi, int pir) { PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir); - return cpu ? pnv_cpu_state(cpu)->icp : NULL; + return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL; } static void pnv_pic_print_info(InterruptStatsProvider *obj, @@ -1115,12 +1278,15 @@ static void pnv_pic_print_info(InterruptStatsProvider *obj, CPU_FOREACH(cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); - icp_pic_print_info(pnv_cpu_state(cpu)->icp, mon); + if (pnv_chip_is_power9(pnv->chips[0])) { + xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); + } else { + icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); + } } for (i = 0; i < pnv->num_chips; i++) { - Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); - ics_pic_print_info(&chip8->psi.ics, mon); + PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon); } } |